// try parse hex color
internal static bool TryParseHexColor(string Expression, out World.ColorRGB Color)
{
if (Expression.StartsWith("#"))
{
string a = Expression.Substring(1).TrimStart();
int x; if (int.TryParse(a, System.Globalization.NumberStyles.HexNumber, System.Globalization.CultureInfo.InvariantCulture, out x))
{
int r = (x >> 16) & 0xFF;
int g = (x >> 8) & 0xFF;
int b = x & 0xFF;
if (r >= 0 & r <= 255 & g >= 0 & g <= 255 & b >= 0 & b <= 255)
{
Color = new World.ColorRGB((byte)r, (byte)g, (byte)b);
return(true);
}
else
{
Color = new World.ColorRGB(0, 0, 255);
return(false);
}
}
else
{
Color = new World.ColorRGB(0, 0, 255);
return(false);
}
}
else
{
Color = new World.ColorRGB(0, 0, 255);
return(false);
}
}
internal Fog(float Start, float End, World.ColorRGB Color, double TrackPosition)
{
this.Start = Start;
this.End = End;
this.Color = Color;
this.TrackPosition = TrackPosition;
}
internal Material(Material Prototype)
{
this.Color = Prototype.Color;
this.EmissiveColor = Prototype.EmissiveColor;
this.EmissiveColorUsed = Prototype.EmissiveColorUsed;
this.TransparentColor = Prototype.TransparentColor;
this.TransparentColorUsed = Prototype.TransparentColorUsed;
this.DaytimeTexture = Prototype.DaytimeTexture;
this.NighttimeTexture = Prototype.NighttimeTexture;
this.BlendMode = Prototype.BlendMode;
this.GlowAttenuationData = Prototype.GlowAttenuationData;
}
internal Material()
{
this.Color = new World.ColorRGBA(255, 255, 255, 255);
this.EmissiveColor = new World.ColorRGB(0, 0, 0);
this.EmissiveColorUsed = false;
this.TransparentColor = new World.ColorRGB(0, 0, 0);
this.TransparentColorUsed = false;
this.DaytimeTexture = null;
this.NighttimeTexture = null;
this.BlendMode = World.MeshMaterialBlendMode.Normal;
this.GlowAttenuationData = 0;
}
internal Material()
{
this.Color = new World.ColorRGBA(255, 255, 255, 255);
this.EmissiveColor = new World.ColorRGB(0, 0, 0);
this.EmissiveColorUsed = false;
this.TransparentColor = new World.ColorRGB(0, 0, 0);
this.TransparentColorUsed = false;
this.DaytimeTexture = null;
this.NighttimeTexture = null;
this.BlendMode = World.MeshMaterialBlendMode.Normal;
this.GlowAttenuationData = 0;
}
internal Material(Material Prototype)
{
this.Color = Prototype.Color;
this.EmissiveColor = Prototype.EmissiveColor;
this.EmissiveColorUsed = Prototype.EmissiveColorUsed;
this.TransparentColor = Prototype.TransparentColor;
this.TransparentColorUsed = Prototype.TransparentColorUsed;
this.DaytimeTexture = Prototype.DaytimeTexture;
this.NighttimeTexture = Prototype.NighttimeTexture;
this.BlendMode = Prototype.BlendMode;
this.GlowAttenuationData = Prototype.GlowAttenuationData;
}
internal static int RegisterTexture(string FileName, World.ColorRGB TransparentColor, byte TransparentColorUsed, TextureLoadMode LoadMode, TextureWrapMode WrapModeX, TextureWrapMode WrapModeY, bool DontAllowUnload, int ClipLeft, int ClipTop, int ClipWidth, int ClipHeight)
{
int i = FindTexture(FileName, TransparentColor, TransparentColorUsed, LoadMode, WrapModeX, WrapModeY, ClipLeft, ClipTop, ClipWidth, ClipHeight);
if (i >= 0)
{
return(i);
}
else
{
i = GetFreeTexture();
Textures[i] = new Texture();
Textures[i].Queried = false;
Textures[i].Loaded = false;
Textures[i].FileName = FileName;
Textures[i].TransparentColor = TransparentColor;
Textures[i].TransparentColorUsed = TransparentColorUsed;
Textures[i].LoadMode = LoadMode;
Textures[i].WrapModeX = WrapModeX;
Textures[i].WrapModeY = WrapModeY;
Textures[i].ClipLeft = ClipLeft;
Textures[i].ClipTop = ClipTop;
Textures[i].ClipWidth = ClipWidth;
Textures[i].ClipHeight = ClipHeight;
Textures[i].DontAllowUnload = DontAllowUnload;
Textures[i].LoadImmediately = false;
Textures[i].OpenGlTextureIndex = 0;
bool alpha = false;
switch (System.IO.Path.GetExtension(Textures[i].FileName).ToLowerInvariant())
{
case ".gif":
case ".png":
alpha = true;
Textures[i].LoadImmediately = true;
break;
}
if (alpha)
{
Textures[i].Transparency = TextureTransparencyMode.Alpha;
}
else if (TransparentColorUsed != 0)
{
Textures[i].Transparency = TextureTransparencyMode.TransparentColor;
}
else
{
Textures[i].Transparency = TextureTransparencyMode.None;
}
Textures[i].IsRGBA = Textures[i].Transparency != TextureTransparencyMode.None | LoadMode != TextureLoadMode.Normal;
return(i);
}
}
internal Material() {
this.Color = new World.ColorRGBA(255, 255, 255, 255);
this.EmissiveColor = new World.ColorRGB(0, 0, 0);
this.EmissiveColorUsed = false;
this.TransparentColor = new World.ColorRGB(0, 0, 0);
this.TransparentColorUsed = false;
this.DaytimeTexture = null;
this.NighttimeTexture = null;
this.BlendMode = World.MeshMaterialBlendMode.Normal;
this.GlowAttenuationData = 0;
this.TextColor = System.Drawing.Color.Black;
this.BackgroundColor = System.Drawing.Color.White;
this.TextPadding = new Vector2(0, 0);
this.Font = "Arial";
}
internal static int RegisterTexture(Bitmap Bitmap, World.ColorRGB TransparentColor)
{
int i = GetFreeTexture();
int[] a = new int[1];
GL.GenTextures(1, a);
Textures[i] = new Texture();
Textures[i].Queried = false;
Textures[i].OpenGlTextureIndex = a[0];
Textures[i].Transparency = TextureTransparencyMode.TransparentColor;
Textures[i].TransparentColor = TransparentColor;
Textures[i].TransparentColorUsed = 1;
Textures[i].FileName = null;
Textures[i].Loaded = true;
Textures[i].DontAllowUnload = true;
LoadTextureRGBAforData(Bitmap, Textures[i].TransparentColor, Textures[i].TransparentColorUsed, i);
LoadTextureRGBAforOpenGl(i);
return(i);
}
internal static int RegisterTexture(Bitmap Bitmap, World.ColorRGB TransparentColor)
{
int i = GetFreeTexture();
int[] a = new int[1];
GL.GenTextures(1, a);
Textures[i] = new Texture
{
Queried = false,
OpenGlTextureIndex = a[0],
Transparency = TextureTransparencyMode.TransparentColor,
TransparentColor = TransparentColor,
TransparentColorUsed = 1,
FileName = null,
Loaded = true,
Width = Bitmap.Width,
Height = Bitmap.Height,
DontAllowUnload = true
};
LoadTextureRGBAforData(Bitmap, Textures[i].TransparentColor, Textures[i].TransparentColorUsed, i);
LoadTextureRGBAforOpenGl(i);
return(i);
}
// find texture
private static int FindTexture(string FileName, World.ColorRGB TransparentColor, byte TransparentColorUsed, TextureLoadMode LoadMode, TextureWrapMode WrapModeX, TextureWrapMode WrapModeY, int ClipLeft, int ClipTop, int ClipWidth, int ClipHeight)
{
for (int i = 1; i < Textures.Length; i++)
{
if (Textures[i] != null && Textures[i].FileName != null)
{
if (string.Compare(Textures[i].FileName, FileName, StringComparison.OrdinalIgnoreCase) == 0)
{
if (Textures[i].LoadMode == LoadMode & Textures[i].WrapModeX == WrapModeX & Textures[i].WrapModeY == WrapModeY)
{
if (Textures[i].ClipLeft == ClipLeft & Textures[i].ClipTop == ClipTop & Textures[i].ClipWidth == ClipWidth & Textures[i].ClipHeight == ClipHeight)
{
if (TransparentColorUsed == 0)
{
if (Textures[i].TransparentColorUsed == 0)
{
return(i);
}
}
else
{
if (Textures[i].TransparentColorUsed != 0)
{
if (Textures[i].TransparentColor.R == TransparentColor.R & Textures[i].TransparentColor.G == TransparentColor.G & Textures[i].TransparentColor.B == TransparentColor.B)
{
return(i);
}
}
}
}
}
}
}
}
return(-1);
}
internal static int RegisterTexture(string FileName, World.ColorRGB TransparentColor, byte TransparentColorUsed, TextureWrapMode WrapModeX, TextureWrapMode WrapModeY, bool DontAllowUnload)
{
return(RegisterTexture(FileName, TransparentColor, TransparentColorUsed, TextureLoadMode.Normal, WrapModeX, WrapModeY, DontAllowUnload, 0, 0, 0, 0));
}
// try parse hex color
internal static bool TryParseHexColor(string Expression, out World.ColorRGB Color) {
if (Expression.StartsWith("#")) {
string a = Expression.Substring(1).TrimStart();
int x; if (int.TryParse(a, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out x)) {
int r = (x >> 16) & 0xFF;
int g = (x >> 8) & 0xFF;
int b = x & 0xFF;
if (r >= 0 & r <= 255 & g >= 0 & g <= 255 & b >= 0 & b <= 255) {
Color = new World.ColorRGB((byte)r, (byte)g, (byte)b);
return true;
} else {
Color = new World.ColorRGB(0, 0, 255);
return false;
}
} else {
Color = new World.ColorRGB(0, 0, 255);
return false;
}
} else {
Color = new World.ColorRGB(0, 0, 255);
return false;
}
}
// reset
internal static void Reset()
{
LoadTexturesImmediately = LoadTextureImmediatelyMode.NotYet;
ObjectList = new Object[256];
ObjectListCount = 0;
OpaqueList = new ObjectFace[256];
OpaqueListCount = 0;
TransparentColorList = new ObjectFace[256];
TransparentColorListDistance = new double[256];
TransparentColorListCount = 0;
AlphaList = new ObjectFace[256];
AlphaListDistance = new double[256];
AlphaListCount = 0;
OverlayList = new ObjectFace[256];
OverlayListDistance = new double[256];
OverlayListCount = 0;
OptionLighting = true;
OptionAmbientColor = new World.ColorRGB(160, 160, 160);
OptionDiffuseColor = new World.ColorRGB(160, 160, 160);
OptionLightPosition = new World.Vector3Df(0.215920077052065f, 0.875724044222352f, -0.431840154104129f);
OptionLightingResultingAmount = 1.0f;
GL.Disable(EnableCap.Fog); FogEnabled = false;
}
// load texture rgba
private static void LoadTextureRGBAforData(Bitmap Bitmap, World.ColorRGB TransparentColor, byte TransparentColorUsed, int TextureIndex)
{
try
{
// load bytes
int Width, Height, Stride; byte[] Data;
{
if (Textures[TextureIndex].ClipWidth == 0)
{
Textures[TextureIndex].ClipWidth = Bitmap.Width;
}
if (Textures[TextureIndex].ClipHeight == 0)
{
Textures[TextureIndex].ClipHeight = Bitmap.Height;
}
Width = Textures[TextureIndex].ClipWidth;
Height = Textures[TextureIndex].ClipHeight;
Bitmap c = new Bitmap(Width, Height, GDIPixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(c);
Rectangle dst = new Rectangle(0, 0, Width, Height);
Rectangle src = new Rectangle(Textures[TextureIndex].ClipLeft, Textures[TextureIndex].ClipTop, Textures[TextureIndex].ClipWidth, Textures[TextureIndex].ClipHeight);
g.DrawImage(Bitmap, dst, src, GraphicsUnit.Pixel);
g.Dispose();
BitmapData d = c.LockBits(new Rectangle(0, 0, Width, Height), ImageLockMode.ReadOnly, c.PixelFormat);
Stride = d.Stride;
Data = new byte[Stride * Height];
System.Runtime.InteropServices.Marshal.Copy(d.Scan0, Data, 0, Stride * Height);
c.UnlockBits(d);
c.Dispose();
}
// load mode
if (Textures[TextureIndex].LoadMode == TextureLoadMode.Bve4SignalGlow)
{
// bve 4 signal glow
int p = 0, pn = Stride - 4 * Width;
byte tr, tg, tb;
if (TransparentColorUsed != 0)
{
tr = TransparentColor.R;
tg = TransparentColor.G;
tb = TransparentColor.B;
}
else
{
tr = 0; tg = 0; tb = 0;
}
// invert lightness
byte[] Temp = new byte[Stride * Height];
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
if (Data[p] == tb & Data[p + 1] == tg & Data[p + 2] == tr)
{
Temp[p] = 0;
Temp[p + 1] = 0;
Temp[p + 2] = 0;
}
else if (Data[p] != 255 | Data[p + 1] != 255 | Data[p + 2] != 255)
{
int b = Data[p], g = Data[p + 1], r = Data[p + 2];
InvertLightness(ref r, ref g, ref b);
int l = r >= g & r >= b ? r : g >= b ? g : b;
Temp[p] = (byte)(l * b / 255);
Temp[p + 1] = (byte)(l * g / 255);
Temp[p + 2] = (byte)(l * r / 255);
}
else
{
Temp[p] = Data[p];
Temp[p + 1] = Data[p + 1];
Temp[p + 2] = Data[p + 2];
}
p += 4;
}
p += pn;
}
p = 0;
// blur the image and multiply by lightness
int s = 4;
int n = Stride - (2 * s + 1 << 2);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
int q = p - s * (Stride + 4);
int r = 0, g = 0, b = 0, c = 0;
for (int yr = y - s; yr <= y + s; yr++)
{
if (yr >= 0 & yr < Height)
{
for (int xr = x - s; xr <= x + s; xr++)
{
if (xr >= 0 & xr < Width)
{
b += (int)Temp[q];
g += (int)Temp[q + 1];
r += (int)Temp[q + 2];
c++;
}
q += 4;
}
q += n;
}
else
{
q += Stride;
}
}
if (c == 0)
{
Data[p] = 0;
Data[p + 1] = 0;
Data[p + 2] = 0;
Data[p + 3] = 255;
}
else
{
r /= c; g /= c; b /= c;
int l = r >= g & r >= b ? r : g >= b ? g : b;
Data[p] = (byte)(l * b / 255);
Data[p + 1] = (byte)(l * g / 255);
Data[p + 2] = (byte)(l * r / 255);
Data[p + 3] = 255;
}
p += 4;
}
p += pn;
}
Textures[TextureIndex].Transparency = TextureTransparencyMode.None;
Textures[TextureIndex].DontAllowUnload = true;
}
else if (TransparentColorUsed != 0)
{
// transparent color
int p = 0, pn = Stride - 4 * Width;
byte tr = TransparentColor.R;
byte tg = TransparentColor.G;
byte tb = TransparentColor.B;
bool used = false;
// check if alpha is actually used
int y;
for (y = 0; y < Height; y++)
{
int x; for (x = 0; x < Width; x++)
{
if (Data[p + 3] != 255)
{
break;
}
p += 4;
}
if (x < Width)
{
break;
}
p += pn;
}
if (y == Height)
{
Textures[TextureIndex].Transparency = TextureTransparencyMode.TransparentColor;
}
// duplicate color data from adjacent pixels
p = 0; pn = Stride - 4 * Width;
for (y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
if (Data[p] == tb & Data[p + 1] == tg & Data[p + 2] == tr)
{
used = true;
if (x == 0)
{
int q = p;
int v; for (v = y; v < Height; v++)
{
int u; for (u = v == y ? x + 1 : 0; u < Width; u++)
{
if (Data[q] != tb | Data[q + 1] != tg | Data[q + 2] != tr)
{
Data[p] = Data[q];
Data[p + 1] = Data[q + 1];
Data[p + 2] = Data[q + 2];
Data[p + 3] = 0;
break;
}
q += 4;
}
if (u < Width)
{
break;
}
else
{
q += pn;
}
}
if (v == Height)
{
if (y == 0)
{
Data[p] = 128;
Data[p + 1] = 128;
Data[p + 2] = 128;
Data[p + 3] = 0;
}
else
{
Data[p] = Data[p - Stride];
Data[p + 1] = Data[p - Stride + 1];
Data[p + 2] = Data[p - Stride + 2];
Data[p + 3] = 0;
}
}
}
else
{
Data[p] = Data[p - 4];
Data[p + 1] = Data[p - 3];
Data[p + 2] = Data[p - 2];
Data[p + 3] = 0;
}
}
p += 4;
}
p += pn;
}
// transparent color is not actually used
if (!used & Textures[TextureIndex].Transparency == TextureTransparencyMode.TransparentColor)
{
Textures[TextureIndex].Transparency = TextureTransparencyMode.None;
}
}
else if (Textures[TextureIndex].Transparency == TextureTransparencyMode.Alpha)
{
// check if alpha is actually used
int p = 0, pn = Stride - 4 * Width;
int y; for (y = 0; y < Height; y++)
{
int x; for (x = 0; x < Width; x++)
{
if (Data[p + 3] != 255)
{
break;
}
p += 4;
}
if (x < Width)
{
break;
}
p += pn;
}
if (y == Height)
{
Textures[TextureIndex].Transparency = TextureTransparencyMode.None;
}
}
// non-power of two
int TargetWidth = Interface.RoundToPowerOfTwo(Width);
int TargetHeight = Interface.RoundToPowerOfTwo(Height);
if (TargetWidth != Width | TargetHeight != Height)
{
Bitmap b = new Bitmap(Width, Height, GDIPixelFormat.Format32bppArgb);
BitmapData d = b.LockBits(new Rectangle(0, 0, Width, Height), ImageLockMode.WriteOnly, b.PixelFormat);
System.Runtime.InteropServices.Marshal.Copy(Data, 0, d.Scan0, d.Stride * d.Height);
b.UnlockBits(d);
Bitmap c = new Bitmap(TargetWidth, TargetHeight, GDIPixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(c);
g.DrawImage(b, 0, 0, TargetWidth, TargetHeight);
g.Dispose();
b.Dispose();
d = c.LockBits(new Rectangle(0, 0, TargetWidth, TargetHeight), ImageLockMode.ReadOnly, c.PixelFormat);
Stride = d.Stride;
Data = new byte[Stride * TargetHeight];
System.Runtime.InteropServices.Marshal.Copy(d.Scan0, Data, 0, Stride * TargetHeight);
c.UnlockBits(d);
c.Dispose();
}
Textures[TextureIndex].Width = TargetWidth;
Textures[TextureIndex].Height = TargetHeight;
Textures[TextureIndex].Data = Data;
}
catch (Exception ex)
{
Interface.AddMessage(Interface.MessageType.Error, false, "Internal error in TextureManager.cs::LoadTextureRGBAForData: " + ex.Message);
throw;
}
}
internal Fog(float Start, float End, World.ColorRGB Color, double TrackPosition) {
this.Start = Start;
this.End = End;
this.Color = Color;
this.TrackPosition = TrackPosition;
}
// read object
/// <summary>Loads a Loksim3D object from a file.</summary>
/// <param name="FileName">The text file to load the animated object from. Must be an absolute file name.</param>
/// <param name="Encoding">The encoding the file is saved in. If the file uses a byte order mark, the encoding indicated by the byte order mark is used and the Encoding parameter is ignored.</param>
/// <param name="LoadMode">The texture load mode.</param>
/// <param name="ForceTextureRepeatX">Whether to force TextureWrapMode.Repeat for the X-axis</param>
/// /// <param name="ForceTextureRepeatY">Whether to force TextureWrapMode.Repeat for the Y-axis</param>
/// <returns>The object loaded.</returns>
internal static ObjectManager.StaticObject ReadObject(string FileName, System.Text.Encoding Encoding, ObjectManager.ObjectLoadMode LoadMode, bool ForceTextureRepeatX, bool ForceTextureRepeatY, double RotationX, double RotationY, double RotationZ)
{
XmlDocument currentXML = new XmlDocument();
//May need to be changed to use de-DE
System.Globalization.CultureInfo Culture = System.Globalization.CultureInfo.InvariantCulture;
//Initialise the object
ObjectManager.StaticObject Object = new ObjectManager.StaticObject();
Object.Mesh.Faces = new World.MeshFace[] { };
Object.Mesh.Materials = new World.MeshMaterial[] { };
Object.Mesh.Vertices = new World.Vertex[] { };
MeshBuilder Builder = new MeshBuilder();
World.Vector3Df[] Normals = new World.Vector3Df[4];
bool PropertiesFound = false;
World.Vertex[] tempVertices = new World.Vertex[0];
World.Vector3Df[] tempNormals = new World.Vector3Df[0];
World.ColorRGB transparentColor = new World.ColorRGB();
string tday = null;
string tnight = null;
bool TransparencyUsed = false;
bool Face2 = false;
int TextureWidth = 0;
int TextureHeight = 0;
if (File.Exists(FileName))
{
currentXML.Load(FileName);
}
else
{
return(null);
}
//Check for null
if (currentXML.DocumentElement != null)
{
XmlNodeList DocumentNodes = currentXML.DocumentElement.SelectNodes("/OBJECT");
//Check this file actually contains Loksim3D object nodes
if (DocumentNodes != null)
{
foreach (XmlNode outerNode in DocumentNodes)
{
if (outerNode.HasChildNodes)
{
foreach (XmlNode node in outerNode.ChildNodes)
{
//I think there should only be one properties node??
//Need better format documentation
if (node.Name == "Props" && PropertiesFound == false)
{
if (node.Attributes != null)
{
//Our node has child nodes, therefore this properties node should be valid
//Needs better validation
PropertiesFound = true;
foreach (XmlAttribute attribute in node.Attributes)
{
switch (attribute.Name)
{
//Sets the texture
//Loksim3D objects only support daytime textures
case "Texture":
tday = OpenBveApi.Path.CombineFile(System.IO.Path.GetDirectoryName(FileName), attribute.Value);
if (File.Exists(tday))
{
try
{
using (Bitmap TextureInformation = new Bitmap(tday))
{
TextureWidth = TextureInformation.Width;
TextureHeight = TextureInformation.Height;
Color color = TextureInformation.GetPixel(1, 1);
transparentColor = new World.ColorRGB((byte)color.R, (byte)color.G, (byte)color.B);
}
}
catch
{
Interface.AddMessage(Interface.MessageType.Error, true, "An error occured loading daytime texture " + tday + " in file " + FileName);
tday = null;
}
}
else
{
Interface.AddMessage(Interface.MessageType.Error, true, "DaytimeTexture " + tday + " could not be found in file " + FileName);
}
break;
//Defines whether the texture uses transparency
//May be omitted
case "Transparent":
if (attribute.Value == "TRUE")
{
TransparencyUsed = true;
}
else
{
TransparencyUsed = false;
}
break;
//Sets the transparency type
case "TransparentTyp":
switch (attribute.Value)
{
case "0":
//Transparency is disabled
TransparencyUsed = false;
break;
case "1":
//Transparency is solid black
TransparencyUsed = true;
transparentColor = new World.ColorRGB(0, 0, 0);
break;
case "2":
//Transparency is the color at Pixel 1,1
TransparencyUsed = true;
break;
case "3":
//This is used when transparency is used with an alpha bitmap
//Not currently supported
TransparencyUsed = false;
break;
}
break;
//Sets whether the rears of the faces are to be drawn
case "Drawrueckseiten":
Face2 = true;
break;
/*
* MISSING PROPERTIES:
* AutoRotate - Rotate with tracks?? LS3D presumably uses a 3D world system.
* Beleuchtet- Translates as illuminated. Presume something to do with lighting? - What emissive color?
* FileAuthor
* FileInfo
* FilePicture
*/
}
}
}
}
//The point command is eqivilant to a vertex
else if (node.Name == "Point" && node.HasChildNodes)
{
foreach (XmlNode childNode in node.ChildNodes)
{
if (childNode.Name == "Props" && childNode.Attributes != null)
{
//Vertex
double vx = 0.0, vy = 0.0, vz = 0.0;
//Normals
double nx = 0.0, ny = 0.0, nz = 0.0;
foreach (XmlAttribute attribute in childNode.Attributes)
{
switch (attribute.Name)
{
//Sets the vertex normals
case "Normal":
string[] NormalPoints = attribute.Value.Split(';');
double.TryParse(NormalPoints[0], out nx);
double.TryParse(NormalPoints[1], out ny);
double.TryParse(NormalPoints[2], out nz);
break;
//Sets the vertex 3D co-ordinates
case "Vekt":
string[] VertexPoints = attribute.Value.Split(';');
double.TryParse(VertexPoints[0], out vx);
double.TryParse(VertexPoints[1], out vy);
double.TryParse(VertexPoints[2], out vz);
break;
}
}
World.Normalize(ref nx, ref ny, ref nz);
{
//Resize temp arrays
Array.Resize <World.Vertex>(ref tempVertices, tempVertices.Length + 1);
Array.Resize <World.Vector3Df>(ref tempNormals, tempNormals.Length + 1);
//Add vertex and normals to temp array
tempVertices[tempVertices.Length - 1].Coordinates = new World.Vector3D(vx, vy, vz);
tempNormals[tempNormals.Length - 1] = new World.Vector3Df((float)nx, (float)ny, (float)nz);
}
Array.Resize <World.Vertex>(ref Builder.Vertices, Builder.Vertices.Length + 1);
while (Builder.Vertices.Length >= Normals.Length)
{
Array.Resize <World.Vector3Df>(ref Normals, Normals.Length << 1);
}
Builder.Vertices[Builder.Vertices.Length - 1].Coordinates = new World.Vector3D(vx, vy, vz);
Normals[Builder.Vertices.Length - 1] = new World.Vector3Df((float)nx, (float)ny, (float)nz);
}
}
}
//The Flaeche command creates a face
else if (node.Name == "Flaeche" && node.HasChildNodes)
{
foreach (XmlNode childNode in node.ChildNodes)
{
if (childNode.Name == "Props" && childNode.Attributes != null)
{
//Defines the verticies in this face
//**NOTE**: A vertex may appear in multiple faces with different texture co-ordinates
if (childNode.Attributes["Points"] != null)
{
string[] Verticies = childNode.Attributes["Points"].Value.Split(';');
int f = Builder.Faces.Length;
//Add 1 to the length of the face array
Array.Resize <World.MeshFace>(ref Builder.Faces, f + 1);
Builder.Faces[f] = new World.MeshFace();
//Create the vertex array for the face
Builder.Faces[f].Vertices = new World.MeshFaceVertex[Verticies.Length];
while (Builder.Vertices.Length > Normals.Length)
{
Array.Resize <World.Vector3Df>(ref Normals,
Normals.Length << 1);
}
//Run through the vertices list and grab from the temp array
for (int j = 0; j < Verticies.Length; j++)
{
//This is the position of the vertex in the temp array
int currentVertex;
int.TryParse(Verticies[j], out currentVertex);
//Add one to the actual vertex array
Array.Resize <World.Vertex>(ref Builder.Vertices, Builder.Vertices.Length + 1);
//Set coordinates
Builder.Vertices[Builder.Vertices.Length - 1].Coordinates = tempVertices[currentVertex].Coordinates;
//Set the vertex index
Builder.Faces[f].Vertices[j].Index = (ushort)(Builder.Vertices.Length - 1);
//Set the normals
Builder.Faces[f].Vertices[j].Normal = tempNormals[currentVertex];
//Now deal with the texture
//Texture mapping points are in pixels X,Y and are relative to the face in question rather than the vertex
if (childNode.Attributes["Texture"] != null)
{
string[] TextureCoords = childNode.Attributes["Texture"].Value.Split(';');
World.Vector2Df currentCoords;
float OpenBVEWidth;
float OpenBVEHeight;
string[] splitCoords = TextureCoords[j].Split(',');
float.TryParse(splitCoords[0], out OpenBVEWidth);
float.TryParse(splitCoords[1], out OpenBVEHeight);
if (TextureWidth != 0 && TextureHeight != 0)
{
currentCoords.X = (OpenBVEWidth / TextureWidth);
currentCoords.Y = (OpenBVEHeight / TextureHeight);
}
else
{
currentCoords.X = 0;
currentCoords.Y = 0;
}
Builder.Vertices[Builder.Vertices.Length - 1].TextureCoordinates = currentCoords;
}
if (Face2)
{
Builder.Faces[f].Flags = (byte)World.MeshFace.Face2Mask;
}
}
}
}
}
}
}
}
}
}
//Apply rotation
/*
* NOTES:
* No rotation order is specified
* The rotation string in a .l3dgrp file is ordered Y, X, Z ??? Can't find a good reason for this ???
* Rotations must still be performed in X,Y,Z order to produce correct results
*/
if (RotationX != 0.0)
{
//This is actually the Y-Axis rotation
//Convert to radians
RotationX *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 0, 1, 0, RotationX);
}
if (RotationY != 0.0)
{
//This is actually the X-Axis rotation
//Convert to radians
RotationY *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 1, 0, 0, RotationY);
}
if (RotationZ != 0.0)
{
//Convert to radians
RotationZ *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 0, 0, 1, RotationZ);
}
//These files appear to only have one texture defined
//Therefore import later- May have to change
if (File.Exists(tday))
{
for (int j = 0; j < Builder.Materials.Length; j++)
{
Builder.Materials[j].DaytimeTexture = tday;
Builder.Materials[j].NighttimeTexture = tnight;
}
}
if (TransparencyUsed == true)
{
for (int j = 0; j < Builder.Materials.Length; j++)
{
Builder.Materials[j].TransparentColor = transparentColor;
Builder.Materials[j].TransparentColorUsed = true;
}
}
}
ApplyMeshBuilder(ref Object, Builder, LoadMode, ForceTextureRepeatX, ForceTextureRepeatY);
World.CreateNormals(ref Object.Mesh);
return(Object);
}
// read object
/// <summary>Loads a Loksim3D object from a file.</summary>
/// <param name="FileName">The text file to load the animated object from. Must be an absolute file name.</param>
/// <param name="Encoding">The encoding the file is saved in. If the file uses a byte order mark, the encoding indicated by the byte order mark is used and the Encoding parameter is ignored.</param>
/// <param name="LoadMode">The texture load mode.</param>
/// <param name="ForceTextureRepeatX">Whether to force TextureWrapMode.Repeat for the X-axis</param>
/// /// <param name="ForceTextureRepeatY">Whether to force TextureWrapMode.Repeat for the Y-axis</param>
/// <returns>The object loaded.</returns>
internal static ObjectManager.StaticObject ReadObject(string FileName, System.Text.Encoding Encoding,ObjectManager.ObjectLoadMode LoadMode, bool ForceTextureRepeatX, bool ForceTextureRepeatY, double RotationX, double RotationY, double RotationZ)
{
XmlDocument currentXML = new XmlDocument();
//May need to be changed to use de-DE
System.Globalization.CultureInfo Culture = System.Globalization.CultureInfo.InvariantCulture;
//Initialise the object
ObjectManager.StaticObject Object = new ObjectManager.StaticObject();
Object.Mesh.Faces = new World.MeshFace[] { };
Object.Mesh.Materials = new World.MeshMaterial[] { };
Object.Mesh.Vertices = new World.Vertex[] { };
MeshBuilder Builder = new MeshBuilder();
World.Vector3Df[] Normals = new World.Vector3Df[4];
bool PropertiesFound = false;
World.Vertex[] tempVertices = new World.Vertex[0];
World.Vector3Df[] tempNormals = new World.Vector3Df[0];
World.ColorRGB transparentColor = new World.ColorRGB();
string tday = null;
string tnight = null;
bool TransparencyUsed = false;
bool Face2 = false;
int TextureWidth = 0;
int TextureHeight = 0;
if (File.Exists(FileName))
{
currentXML.Load(FileName);
}
else
{
return null;
}
//Check for null
if (currentXML.DocumentElement != null)
{
XmlNodeList DocumentNodes = currentXML.DocumentElement.SelectNodes("/OBJECT");
//Check this file actually contains Loksim3D object nodes
if (DocumentNodes != null)
{
foreach (XmlNode outerNode in DocumentNodes)
{
if (outerNode.HasChildNodes)
{
foreach (XmlNode node in outerNode.ChildNodes)
{
//I think there should only be one properties node??
//Need better format documentation
if (node.Name == "Props" && PropertiesFound == false)
{
if (node.Attributes != null)
{
//Our node has child nodes, therefore this properties node should be valid
//Needs better validation
PropertiesFound = true;
foreach (XmlAttribute attribute in node.Attributes)
{
switch (attribute.Name)
{
//Sets the texture
//Loksim3D objects only support daytime textures
case "Texture":
tday = OpenBveApi.Path.CombineFile(System.IO.Path.GetDirectoryName(FileName), attribute.Value);
if (File.Exists(tday))
{
try
{
using (Bitmap TextureInformation = new Bitmap(tday))
{
TextureWidth = TextureInformation.Width;
TextureHeight = TextureInformation.Height;
Color color = TextureInformation.GetPixel(1, 1);
transparentColor = new World.ColorRGB((byte) color.R, (byte) color.G, (byte) color.B);
}
}
catch
{
Interface.AddMessage(Interface.MessageType.Error, true, "An error occured loading daytime texture " + tday + " in file " + FileName);
tday = null;
}
}
else
{
Interface.AddMessage(Interface.MessageType.Error, true, "DaytimeTexture " + tday + " could not be found in file " + FileName);
}
break;
//Defines whether the texture uses transparency
//May be omitted
case "Transparent":
if (attribute.Value == "TRUE")
{
TransparencyUsed = true;
}
else
{
TransparencyUsed = false;
}
break;
//Sets the transparency type
case "TransparentTyp":
switch (attribute.Value)
{
case "0":
//Transparency is disabled
TransparencyUsed = false;
break;
case "1":
//Transparency is solid black
TransparencyUsed = true;
transparentColor = new World.ColorRGB(0,0,0);
break;
case "2":
//Transparency is the color at Pixel 1,1
TransparencyUsed = true;
break;
case "3":
//This is used when transparency is used with an alpha bitmap
//Not currently supported
TransparencyUsed = false;
break;
}
break;
//Sets whether the rears of the faces are to be drawn
case "Drawrueckseiten":
Face2 = true;
break;
/*
* MISSING PROPERTIES:
* AutoRotate - Rotate with tracks?? LS3D presumably uses a 3D world system.
* Beleuchtet- Translates as illuminated. Presume something to do with lighting? - What emissive color?
* FileAuthor
* FileInfo
* FilePicture
*/
}
}
}
}
//The point command is eqivilant to a vertex
else if (node.Name == "Point" && node.HasChildNodes)
{
foreach (XmlNode childNode in node.ChildNodes)
{
if (childNode.Name == "Props" && childNode.Attributes != null)
{
//Vertex
double vx = 0.0, vy = 0.0, vz = 0.0;
//Normals
double nx = 0.0, ny = 0.0, nz = 0.0;
foreach (XmlAttribute attribute in childNode.Attributes)
{
switch (attribute.Name)
{
//Sets the vertex normals
case "Normal":
string[] NormalPoints = attribute.Value.Split(';');
double.TryParse(NormalPoints[0], out nx);
double.TryParse(NormalPoints[1], out ny);
double.TryParse(NormalPoints[2], out nz);
break;
//Sets the vertex 3D co-ordinates
case "Vekt":
string[] VertexPoints = attribute.Value.Split(';');
double.TryParse(VertexPoints[0], out vx);
double.TryParse(VertexPoints[1], out vy);
double.TryParse(VertexPoints[2], out vz);
break;
}
}
World.Normalize(ref nx, ref ny, ref nz);
{
//Resize temp arrays
Array.Resize<World.Vertex>(ref tempVertices, tempVertices.Length + 1);
Array.Resize<World.Vector3Df>(ref tempNormals, tempNormals.Length + 1);
//Add vertex and normals to temp array
tempVertices[tempVertices.Length - 1].Coordinates = new World.Vector3D(vx, vy, vz);
tempNormals[tempNormals.Length - 1] = new World.Vector3Df((float)nx, (float)ny, (float)nz);
}
Array.Resize<World.Vertex>(ref Builder.Vertices, Builder.Vertices.Length + 1);
while (Builder.Vertices.Length >= Normals.Length)
{
Array.Resize<World.Vector3Df>(ref Normals, Normals.Length << 1);
}
Builder.Vertices[Builder.Vertices.Length - 1].Coordinates = new World.Vector3D(vx, vy, vz);
Normals[Builder.Vertices.Length - 1] = new World.Vector3Df((float) nx, (float) ny, (float) nz);
}
}
}
//The Flaeche command creates a face
else if (node.Name == "Flaeche" && node.HasChildNodes)
{
foreach (XmlNode childNode in node.ChildNodes)
{
if (childNode.Name == "Props" && childNode.Attributes != null)
{
//Defines the verticies in this face
//**NOTE**: A vertex may appear in multiple faces with different texture co-ordinates
if (childNode.Attributes["Points"] != null)
{
string[] Verticies = childNode.Attributes["Points"].Value.Split(';');
int f = Builder.Faces.Length;
//Add 1 to the length of the face array
Array.Resize<World.MeshFace>(ref Builder.Faces, f + 1);
Builder.Faces[f] = new World.MeshFace();
//Create the vertex array for the face
Builder.Faces[f].Vertices = new World.MeshFaceVertex[Verticies.Length];
while (Builder.Vertices.Length > Normals.Length)
{
Array.Resize<World.Vector3Df>(ref Normals,
Normals.Length << 1);
}
//Run through the vertices list and grab from the temp array
for (int j = 0; j < Verticies.Length; j++)
{
//This is the position of the vertex in the temp array
int currentVertex;
int.TryParse(Verticies[j], out currentVertex);
//Add one to the actual vertex array
Array.Resize<World.Vertex>(ref Builder.Vertices, Builder.Vertices.Length + 1);
//Set coordinates
Builder.Vertices[Builder.Vertices.Length - 1].Coordinates = tempVertices[currentVertex].Coordinates;
//Set the vertex index
Builder.Faces[f].Vertices[j].Index = (ushort)(Builder.Vertices.Length - 1);
//Set the normals
Builder.Faces[f].Vertices[j].Normal = tempNormals[currentVertex];
//Now deal with the texture
//Texture mapping points are in pixels X,Y and are relative to the face in question rather than the vertex
if (childNode.Attributes["Texture"] != null)
{
string[] TextureCoords = childNode.Attributes["Texture"].Value.Split(';');
World.Vector2Df currentCoords;
float OpenBVEWidth;
float OpenBVEHeight;
string[] splitCoords = TextureCoords[j].Split(',');
float.TryParse(splitCoords[0], out OpenBVEWidth);
float.TryParse(splitCoords[1], out OpenBVEHeight);
if (TextureWidth != 0 && TextureHeight != 0)
{
currentCoords.X = (OpenBVEWidth / TextureWidth);
currentCoords.Y = (OpenBVEHeight / TextureHeight);
}
else
{
currentCoords.X = 0;
currentCoords.Y = 0;
}
Builder.Vertices[Builder.Vertices.Length - 1].TextureCoordinates = currentCoords;
}
if (Face2)
{
Builder.Faces[f].Flags = (byte) World.MeshFace.Face2Mask;
}
}
}
}
}
}
}
}
}
}
//Apply rotation
/*
* NOTES:
* No rotation order is specified
* The rotation string in a .l3dgrp file is ordered Y, X, Z ??? Can't find a good reason for this ???
* Rotations must still be performed in X,Y,Z order to produce correct results
*/
if (RotationX != 0.0)
{
//This is actually the Y-Axis rotation
//Convert to radians
RotationX *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 0, 1, 0, RotationX);
}
if (RotationY != 0.0)
{
//This is actually the X-Axis rotation
//Convert to radians
RotationY *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 1, 0, 0, RotationY);
}
if (RotationZ != 0.0)
{
//Convert to radians
RotationZ *= 0.0174532925199433;
//Apply rotation
ApplyRotation(Builder, 0, 0, 1, RotationZ);
}
//These files appear to only have one texture defined
//Therefore import later- May have to change
if (File.Exists(tday))
{
for (int j = 0; j < Builder.Materials.Length; j++)
{
Builder.Materials[j].DaytimeTexture = tday;
Builder.Materials[j].NighttimeTexture = tnight;
}
}
if (TransparencyUsed == true)
{
for (int j = 0; j < Builder.Materials.Length; j++)
{
Builder.Materials[j].TransparentColor = transparentColor;
Builder.Materials[j].TransparentColorUsed = true;
}
}
}
ApplyMeshBuilder(ref Object, Builder, LoadMode, ForceTextureRepeatX, ForceTextureRepeatY);
World.CreateNormals(ref Object.Mesh);
return Object;
}
internal static int RegisterTexture(string FileName, World.ColorRGB TransparentColor, byte TransparentColorUsed, TextureLoadMode LoadMode, TextureWrapMode WrapModeX, TextureWrapMode WrapModeY, bool DontAllowUnload, int ClipLeft, int ClipTop, int ClipWidth, int ClipHeight)
{
if (FileName == null)
{
//Need to find out why the object parser sometimes decides to pass a null filename, but this works around it
return(-1);
}
int i = FindTexture(FileName, TransparentColor, TransparentColorUsed, LoadMode, WrapModeX, WrapModeY, ClipLeft, ClipTop, ClipWidth, ClipHeight);
if (i >= 0)
{
return(i);
}
else
{
i = GetFreeTexture();
Textures[i] = new Texture
{
Queried = false,
Loaded = false,
FileName = FileName,
TransparentColor = TransparentColor,
TransparentColorUsed = TransparentColorUsed,
LoadMode = LoadMode,
WrapModeX = WrapModeX,
WrapModeY = WrapModeY,
ClipLeft = ClipLeft,
ClipTop = ClipTop,
ClipWidth = ClipWidth,
ClipHeight = ClipHeight,
DontAllowUnload = DontAllowUnload,
LoadImmediately = false,
OpenGlTextureIndex = 0
};
bool alpha = false;
switch (System.IO.Path.GetExtension(Textures[i].FileName).ToLowerInvariant())
{
case ".gif":
case ".png":
alpha = true;
Textures[i].LoadImmediately = true;
break;
}
if (alpha)
{
Textures[i].Transparency = TextureTransparencyMode.Alpha;
}
else if (TransparentColorUsed != 0)
{
Textures[i].Transparency = TextureTransparencyMode.TransparentColor;
}
else
{
Textures[i].Transparency = TextureTransparencyMode.None;
}
Textures[i].IsRGBA = Textures[i].Transparency != TextureTransparencyMode.None | LoadMode != TextureLoadMode.Normal;
//Check that our image is a valid power of two
int tw, th;
GetImageDimensions(FileName, out tw, out th);
int w = Interface.RoundToPowerOfTwo(tw);
int h = Interface.RoundToPowerOfTwo(th);
if (w != tw)
{
Interface.AddMessage(Interface.MessageType.Information, false, "The Texture: " + FileName + " has a width of " + tw + " . This is not a valid power of two.");
}
if (h != th)
{
Interface.AddMessage(Interface.MessageType.Information, false, "The Texture: " + FileName + " has a height of " + th + " . This is not a valid power of two.");
}
return(i);
}
}
